Type species: munda Walker.
This and the next genus have similar facies, a variation on the Lymantria
theme, with the forewing fasciae more diffuse and often narrowly interrupted
by pale ground colour along the veins. The discal lunule is also dissected by
pale on the veins. The hindwing is slightly angled, but less so than in Dura:
in Imaus it has a broad, diffuse border that is also broken by
pale along the veins. The two genera differ markedly in abdominal features.
In the male the uncus is very broad, square, sparsely setose. The valves
are irregular in shape but undivided, small. The aedeagus is narrow, though
expanded slightly basally, particularly dorsally at the junction with the ductus
The female has a broad sterigma, a short, narrow ductus and an ovate
bursa that lacks a signum.
The genus is monobasic.
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